- Cable, Telegram And Telex Services
- Cablegram Service
- Electronic Mail
- Facsimile Transmission Services
- Mailgram Services
- Nonvocal Message Communications
- Photograph Transmission Services
- Photographic Message Services
- Radio Telegraph Services
- Stock Ticker Service
- Telegram Services
- Telegraph And Other Communications
- Telegraph And Other Message Communications
- Telegraph Cable Services, Land Or Submarine
- Telegraph Services
- Telephoto Services
- Teletypewriter Services
- Telex Services
- Transradio Press Service